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Method of generating residual compressive stress in stainless steel and nickel-base superalloy and stress corrosion crack repair by underwater welding
Method of generating residual compressive stress in stainless steel and nickel-base superalloy and stress corrosion crack repair by underwater welding
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机译:不锈钢和镍基高温合金中产生残余压应力的方法及水下焊接修复应力腐蚀裂纹的方法
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摘要
The method concerns development of compressive residual stresses in corrosion resistant steels and superalloys on nickel basis. It consists of producing a bath of molten metal, cooling the bath to build a metallurgical bond with adjoining solid metal, and quenching the bonded metal to the temperature of the surroundings below the melting zone of the metal through contact with a quenching medium. Also claimed are a method for repair of damage caused stress corrosion cracks, and a corresponding apparatus.
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